US6776553B2 - Connection point - Google Patents

Connection point Download PDF

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Publication number
US6776553B2
US6776553B2 US10/100,447 US10044702A US6776553B2 US 6776553 B2 US6776553 B2 US 6776553B2 US 10044702 A US10044702 A US 10044702A US 6776553 B2 US6776553 B2 US 6776553B2
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US
United States
Prior art keywords
tool
tool part
elastic element
area
recess
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime, expires
Application number
US10/100,447
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English (en)
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US20020152853A1 (en
Inventor
Dieter Kress
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mapal Fabrik fuer Praezisionswerkzeuge Dr Kress KG
Original Assignee
Mapal Fabrik fuer Praezisionswerkzeuge Dr Kress KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Assigned to MAPAL FABRIK FUR PRAZISIONSWERKZEUGER reassignment MAPAL FABRIK FUR PRAZISIONSWERKZEUGER ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KRESS, DR DIETER
Publication of US20020152853A1 publication Critical patent/US20020152853A1/en
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Publication of US6776553B2 publication Critical patent/US6776553B2/en
Adjusted expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B23B31/026—Chucks the radial or angular position of the tool being adjustable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17666—Radially reciprocating jaws
    • Y10T279/17675—Transverse-screw actuated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/16—Joints and connections with adjunctive protector, broken parts retainer, repair, assembly or disassembly feature
    • Y10T403/1616—Position or guide means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/40—Radially spaced members joined by independent coupling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/40—Radially spaced members joined by independent coupling
    • Y10T403/405—Flexible intermediate member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7018—Interfitted members including separably interposed key
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7018—Interfitted members including separably interposed key
    • Y10T403/7021—Axially extending
    • Y10T403/7022—Resilient
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/94—Tool-support
    • Y10T408/95—Tool-support with tool-retaining means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/309352—Cutter spindle or spindle support
    • Y10T409/309408—Cutter spindle or spindle support with cutter holder
    • Y10T409/309464—Cutter spindle or spindle support with cutter holder and draw bar
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/30952—Milling with cutter holder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2585—Tool rest
    • Y10T82/2589—Quick release tool or holder clamp
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2585—Tool rest
    • Y10T82/2591—Tool post

Definitions

  • Connecting points of the type discussed here exist. They appear in the area of two tool parts that are connected together. It is conceivable that, for example, a tool is fastened to a holder, which is part of a machine tool or is attached to it. It is also possible that a connecting point of the type discussed here is between a tool and an intermediate part, a tool and an adapter or between intermediate parts and adapters. It is important that in the area of the connecting point between two tool parts there is a defined angular position so that in changing a tool when machining a workpiece the dimension does not vary. For example, a tool for a chip removing operation, such as a lathe tool or a reamer, can be changed when the cutter plate is worn without the dimensions of the machined boreholes changing during the subsequent machining operation of the workpiece.
  • devices are installed in the area of the connecting points. These devices enable a defined positioning of the two tool parts joined together at the connecting point.
  • elastic elements that have been used to date do not have adequate adjusting forces so that the positioning of the two tool parts was not always optimal in the area of the connecting point.
  • the object of the invention is to provide a connecting point of the class that is described in the introductory part and that avoids this drawback.
  • a connecting point that exhibits the features disclosed in the claims. It is characterized by a device for effecting a defined angular position of rotation between the tool parts to be connected. Said device also comprises an elastic element. Said elastic element is clamped to a first tool part in a first area in such a manner that a second area of the elastic element projects into the second tool part's path of motion when the tool parts are being connected. Thus, the goal is reached that in joining together the two tool parts this second area is deflected by the second tool part and is deformed reversibly. This deformation leads to a prestress force of the elastic element that is clamped stationarily in the first area and that effects a relative rotation of the two tool parts, thus resulting in a defined angular position of rotation.
  • the elastic element is designed as a torsion element.
  • FIG. 1 is a top view of a first tool part of a connecting point.
  • FIG. 2 is a longitudinal sectional view of the tool part depicted in FIG. 1 .
  • FIG. 4 is a longitudinal sectional view along the line IV—IV of the tool depicted in FIG. 2;
  • FIG. 5 is a schematic drawing of a top view of a first and second tool part of a connecting point.
  • the connecting point 1 comprises two tool parts, of which a first one is reproduced in a top view in FIG. 1 .
  • the first tool part 3 exhibits a recess 5 , into which can be inserted a second tool part 7 , which is indicated here by means of a dashed circle 9 .
  • a collet 11 that serves to fasten the second tool part 7 to the first tool part 3 .
  • the second tool part 7 exhibits a hollow shaft, which is inserted into the recess 5 , so that the collet 11 is disposed inside the hollow shaft and clamps it securely in producing the connecting point 1 , thus when the two tool parts 3 and 7 are being clamped in the recess 5 , in that said recess is expanded radially.
  • the hollow shaft of the second tool part 7 exhibits two slots, which run in the longitudinal direction of the tool part 7 and with which, on the one hand, a projection 13 and, on the other hand, a device 15 for effecting a defined angular position of rotation engage.
  • the projection 13 originates from the inner surface 17 of the recess 5 in the first tool part 3 . It is dimensioned in such a manner that it almost totally fills the slot, present in the hollow shaft of the second tool part 7 .
  • the side faces 19 and 21 of the projection 13 can serve as abutment surfaces for the flanks of the slot in the hollow shaft of the second tool part 7 .
  • a second slot Opposite the first slot, receiving the projection 13 , in the second tool part 7 is a second slot, with which an elastic element 23 of the device 15 engages.
  • the elastic element 23 is clamped stationarily to the first tool part 3 in a first area and projects with a second area 25 into the recess 5 in such a manner that it lies in the path of motion of the second tool part 7 , when it is inserted into the recess 5 .
  • the connecting point 1 thus in inserting the second tool part 7 into the recess 5 of the first tool part 3 , the second area 25 of the elastic element 23 is deflected reversibly, a feature that effects a reset force.
  • a force, acting clockwise here is built up that acts on the hollow shaft of the second tool part 7 , a state that is indicated by an arrow 27 .
  • the hollow shaft of the second tool part 7 rotates clockwise until it strikes against the upper side face 19 of the projection 13 , thus resulting in a defined angular position of rotation between the two tool parts of the connecting point 1 .
  • the collet 11 is activated in order to clamp stationarily the second tool part 7 in the first tool part 3 .
  • the elastic element 23 is housed in a first groove 29 , inserted from the outside into the wall of the first tool part 3 .
  • Parallel to said groove runs a second groove 31 , into which a counter-piece 33 is inserted.
  • the elastic element 23 and the counter-piece 33 are clamped rigidly by means of a cover plate 35 , which is fastened to the first tool part 3 by screws 37 and 39 .
  • FIG. 2 is a longitudinal view of the first tool part 3 . Identical parts, which were explained with reference to FIG. 1, are provided with the same reference numerals so that reference is made in this respect to the description of FIG. 1 .
  • the longitudinal sectional view is placed in such a manner that the counter-piece 33 can be recognized in the side view. It lies in the second groove 31 .
  • the elastic element 23 whose first area, covered by the counter-piece 33 , is disposed in the first groove 29 , can be recognized behind the counter-piece 33 .
  • the first covered area of the elastic element 23 is provided, like the counter-piece 33 , with an outer contour, whose peripheral area deviates in its cross section from the circular contour. It is designed here as a polygon. This polygonal contour is supposed to ensure that the elastic element 23 in the first area is held in the wall of the first tool part 3 so as not to rotate.
  • FIG. 2 shows a clamping bolt 41 , which runs vertically to the reach of the counter-piece 33 and the first area 43 of the elastic element 23 and engages with the base body of the first tool part 3 and also serves to clamp the first area of the elastic element 23 and the counter-piece 33 so as not to rotate in the first tool part 3 .
  • the drawing shows that the second area 25 of the elastic element 23 projects into the recess 5 of the first tool part 3 in such a manner that it also protrudes into the path of motion of the second tool part 7 when its hollow shaft is inserted into the recess 5 .
  • FIG. 2 illustrates that the elastic element 23 is designed as a torsion element and exhibits in essence an L shape.
  • the first area which is clamped twist-proof to the first tool part 3 behind the counter-piece 33 .
  • the shorter leg of the elastic element 23 thus the second area 25 , projects into the recess 5 so as to move freely for the purpose of interacting, as necessary, with the hollow shaft of the second tool part 7 .
  • FIG. 3 is a side view of the first tool part 3 of the connecting point 1 .
  • the cover plate 35 can be clearly perceived here. It is held not only by the screws 37 and 39 , depicted in FIG. 1, but also by two other screws 37 ′ and 39 ′.
  • a dashed line indicates in FIG. 3 the elastic element 23 , which is housed in the related first groove 29 , in addition the counter-piece 33 , which is disposed in the second groove 31 .
  • the counter-piece is shorter than the elastic element 23 and extends only over one area, which is also grasped by the clamping bolt 41 .
  • Said bolt pushes the first area 43 of the elastic element 23 against the upper flank 45 of the first groove 29 and simultaneously the counter-piece 33 against the bottom flank 47 of the first groove 31 . Since the counter-piece 33 and in particular the first area 43 of the elastic element 23 exhibits a cross section that deviates from the circular arc shape, when tightening the clamping bolt 41 a twist-proof anchoring of the elastic element 23 in the base body of the first tool part 3 is guaranteed.
  • FIG. 3 it is evident that a first recess 49 , which intersects the first groove 29 , is cut into the wall of the first tool part 3 .
  • a second recess 51 which intersects the first groove 31 .
  • the second area 25 of the elastic element 23 projects through the wall of the first tool part 3 into its recess 5 and into the path of motion of the second tool part 7 , which is inserted into the recess 5 and which is not illustrated here.
  • the second recess 51 serves to move optionally the elastic element 23 and to move from the first groove 29 into the second groove 31 , whereby the counter-piece 33 is also moved correspondingly into the opposite groove.
  • FIG. 4 is a sectional view along the line IV—IV, shown in FIG. 2 .
  • the cover plate 35 which is anchored to the first tool part 3 and which closes the first groove 29 and the second groove 31 and thus holds twist-proof the first area 43 of the elastic element and the counter-piece 33 .
  • the clamping bolt 41 can be clearly recognized. It provides that the first area 43 is held firmly and is braced against twisting.
  • the head which belongs to the clamping bolt 41 and which tapers conically toward the bottom, forces apart the first area 43 and the counter-piece 33 in such a manner that a twisting of the elastic element 23 is reliably avoided.
  • FIG. 5 illustrates once again the functionality of the device 15 inside the connecting point 1 , which is reproduced here only in part as a schematic drawing.
  • FIG. 5 shows the connecting point 1 in a top view, as is also the case in FIG. 1 .
  • One can clearly perceive the second area 25 of the elastic element 23 which projects into the recess 5 of the first tool part 3 , which is only indicated here, and into the path of motion of the second tool part 7 , of which the hollow shaft 53 is indicated here.
  • the hollow shaft 53 exhibits two slots 55 and 57 , which run in the longitudinal direction of said shaft.
  • the second area 25 of the elastic element 23 projects into the first slot 55 ; the projection 13 , which was explained with reference to FIG. 1, projects into the second slot 57 .
  • the second area 25 of the elastic element exhibits here an approach slope 59 , which interacts in such a manner with a side face 61 of the first slot 55 , that a force, directed in the direction of the arrow 27 , acts on the hollow shaft 53 .
  • the result is that the side face 63 of the second slot 57 rests against the side face 19 of the projection 13 , thus resulting in a defined angular position of rotation between the hollow shaft 53 of the second tool part 7 and the projection 13 of the first tool part 3 .
  • the second area 25 can be provided on its free end with symmetrical approach slopes.
  • it is possible to provide an element 23 which is designed laterally reversed, if a clamping force that is directed in the opposite direction to the arrow 27 is supposed to be raised.
  • the two tool parts After the two tool parts have assumed a defined angular position of rotation by means of the device 15 , the two tool parts can be clamped now in the area of the connecting point 1 in that the collet 11 is activated in the conventional way and expands the hollow shaft 53 of the second tool part 7 in such a manner that it rests reliably against the inner surface of the recess 5 .
  • the elastic element 23 in principle a short pin, inserted into the side wall of the first tool part 3 , can be used as the elastic element 23 in order to specify a defined angular position of rotation of the tool pieces. If, however, the elastic element 23 is designed in the shape of an L, as explained here, and hence as a torsion element, the result is a longer path of deformation inside the elastic element 23 so that a fatigue fracture can be virtually ruled out.
  • the prestress forces which are supposed to be generated by bringing about the angular position of rotation, can be varied through the choice of the length and/or the diameter of the leg, which belongs to the elastic element 23 and which runs in the longitudinal direction of the connecting point 1 , or through the choice of the material of the element 23 , which is made preferably of metal.
  • the elastic element 23 is deflected and deformed reversibly.
  • the reset forces of the elastic element 23 result in a relative rotation between the tool parts 3 , 7 so that a defined angular position of rotation is guaranteed.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Clamps And Clips (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Jigs For Machine Tools (AREA)
  • Springs (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Insertion Pins And Rivets (AREA)
  • Gyroscopes (AREA)
  • Led Devices (AREA)
  • Harvester Elements (AREA)
US10/100,447 2001-03-22 2002-03-18 Connection point Expired - Lifetime US6776553B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10114746.5 2001-03-22
DE10114746 2001-03-22
DE10114746A DE10114746A1 (de) 2001-03-22 2001-03-22 Verbindungsstelle

Publications (2)

Publication Number Publication Date
US20020152853A1 US20020152853A1 (en) 2002-10-24
US6776553B2 true US6776553B2 (en) 2004-08-17

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US10/100,447 Expired - Lifetime US6776553B2 (en) 2001-03-22 2002-03-18 Connection point

Country Status (6)

Country Link
US (1) US6776553B2 (de)
EP (1) EP1243803B1 (de)
JP (1) JP4074112B2 (de)
AT (1) ATE420300T1 (de)
BR (1) BR0200880B1 (de)
DE (2) DE10114746A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090045593A1 (en) * 2005-05-25 2009-02-19 Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Connection between two tool parts

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856720A1 (de) 1978-06-15 1979-12-20 Matsui Universal Joint Mfg Kupplung
US4585380A (en) * 1983-05-18 1986-04-29 Nt Tool Kabushikikaisha Tool attaching device in a machine tool
US5674026A (en) * 1994-02-28 1997-10-07 Unisia Jecs Corporation Shaft coupling structure of drive shaft
US5807180A (en) * 1997-08-28 1998-09-15 Dana Corporation Constant velocity universal joint shaft and inner race combination
US5810506A (en) 1995-07-14 1998-09-22 Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Device for coupling tool parts
JP2001150269A (ja) 1999-11-29 2001-06-05 Big Alpha Kk 工具ホルダーにおける工具位置決め部材と工具ホルダー
US6419430B2 (en) * 1999-12-24 2002-07-16 Rohm Gmbh Holder for collar of workpiece or tool

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856720A1 (de) 1978-06-15 1979-12-20 Matsui Universal Joint Mfg Kupplung
US4283158A (en) 1978-06-15 1981-08-11 Matsui Universal Joint Mfg. Co. Coupling device
US4585380A (en) * 1983-05-18 1986-04-29 Nt Tool Kabushikikaisha Tool attaching device in a machine tool
US5674026A (en) * 1994-02-28 1997-10-07 Unisia Jecs Corporation Shaft coupling structure of drive shaft
US5810506A (en) 1995-07-14 1998-09-22 Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Device for coupling tool parts
US5807180A (en) * 1997-08-28 1998-09-15 Dana Corporation Constant velocity universal joint shaft and inner race combination
JP2001150269A (ja) 1999-11-29 2001-06-05 Big Alpha Kk 工具ホルダーにおける工具位置決め部材と工具ホルダー
US6419430B2 (en) * 1999-12-24 2002-07-16 Rohm Gmbh Holder for collar of workpiece or tool

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Japan Abstract No. 2001150269, dated Jun. 5, 2001; Inventor: Komine Takeshi; Title: Tool Positioning Member of Tool Holder and Tool Holder.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090045593A1 (en) * 2005-05-25 2009-02-19 Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Connection between two tool parts
US8424879B2 (en) 2005-05-25 2013-04-23 Mapal Fabrik Fur Prazisionswerkzeuge Dr. Kress Kg Connection between two tool parts

Also Published As

Publication number Publication date
EP1243803B1 (de) 2009-01-07
EP1243803A1 (de) 2002-09-25
ATE420300T1 (de) 2009-01-15
US20020152853A1 (en) 2002-10-24
BR0200880B1 (pt) 2010-10-19
JP4074112B2 (ja) 2008-04-09
DE10114746A1 (de) 2002-10-24
DE50213185D1 (de) 2009-02-26
JP2002346869A (ja) 2002-12-04
BR0200880A (pt) 2003-03-11

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